<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录页</title>
</head>
<body>
<form action="/doLogin" method="post">

    用户名：
    <input name="username">
    <br>
    密码：
    <input name="password">

    <input type="hidden" name="url" th:value="${url}">
    <input type="submit" value="登录">

</form>
</body>
</html>